Home / 16,189.38-22,341.96-9,115.92

Finding the Fourth Proportional to 16,189.38, 22,341.96 and 9,115.92

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Solution

The fourth proportional to 16,189.38, 22,341.96 and 9,115.92 is: 12,580.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,189.38 : 22,341.96 = 9,115.92 : x
  2. Step 2: Convert to fraction form
    16,189.38/22,341.96 = 9,115.92/x
  3. Step 3: Cross multiply
    16,189.38x = 22,341.96 × 9,115.92
  4. Step 4: Simplify right side
    16,189.38x = 203,667,520.00
  5. Step 5: Solve for x
    x = 203,667,520.00/16,189.38
  6. Step 6: Final answer
    x = 12,580.32

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Half scale
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Double scale
Find fourth proportional to 16,190.38, 22,343.34 and 9,116.92
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.